linux-kernel - Re: [Bug #12613] [Suspend regression][DRM, RADEON]

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Date:	Mon, 09 Feb 2009 19:08:47 +0100
From:	etienne <etienne.basset@...ericable.fr>
To:	Dave Airlie <airlied@...il.com>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Dave Airlie <airlied@...ux.ie>,
	Dave Airlie <airlied@...hat.com>,
	Soeren Sonnenburg <kernel@....de>
Subject: Re: [Bug #12613] [Suspend regression][DRM, RADEON]

Dave Airlie wrote:
> On Mon, Feb 9, 2009 at 8:07 AM, etienne <etienne.basset@...ericable.fr> wrote:
>   
>> Rafael J. Wysocki wrote:
>>     
>>> This message has been generated automatically as a part of a report
>>> of recent regressions.
>>>
>>> The following bug entry is on the current list of known regressions
>>> from 2.6.28.  Please verify if it still should be listed and let me know
>>> (either way).
>>>
>>>
>>> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=12613
>>> Subject         : [Suspend regression][DRM, RADEON]
>>> Submitter       : etienne <etienne.basset@...ericable.fr>
>>> Date            : 2009-01-28 22:00 (12 days old)
>>> First-Bad-Commit:
>>> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a9d51a5ad1154b5b20add1e8d30a5564f8aabbe9
>>> References      : http://marc.info/?l=linux-kernel&m=123318030419558&w=4
>>>                  http://marc.info/?l=linux-kernel&m=123334865404574&w=4
>>>
>>>
>>>
>>>       
>> hello,
>> yes it's still present in -rc4
>> But I noticed that when I switch off KDE4.2 desktop effects, suspend to ram
>> is 100% reliable with 2.6.29-rc4
>> With 2.6.28, STR is 100% reliable with or without desktop effects
>>
>>     
>
> Hi Etienne,
>
> Can you try commenting out the calls to the radeon_suspend and
> radeon_resume hooks in radeon_drv.c?
>
> Dave.
>   
Hi Dave,

I just tested that and I didn't change anything (cannot STR/resume with 
desktop effect, STR/resume OK without desktop effects)

thanks,
Etienne

the patch i used, to verify i understood you ;)

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c 
b/drivers/gpu/drm/radeon/radeon
index fef2078..805b367 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -90,8 +90,8 @@ static struct drm_driver driver = {
        .postclose = radeon_driver_postclose,
        .lastclose = radeon_driver_lastclose,
        .unload = radeon_driver_unload,
-       .suspend = radeon_suspend,
-       .resume = radeon_resume,
+/*     .suspend = radeon_suspend,
+       .resume = radeon_resume, */
        .get_vblank_counter = radeon_get_vblank_counter,
        .enable_vblank = radeon_enable_vblank,
        .disable_vblank = radeon_disable_vblank,


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